﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using System.Text;

namespace MathLibrary
{
    [ServiceContract]
    public interface IMathOperation
    {
        [OperationContract]
        void Sum(int a, int y, out int result);

        [OperationContract]
        int Multiply(int x, int y);
    }
}
